Electronics Forum: use (Page 2106 of 2487)

Recovery of Expired Solder Paste !!! + Squeegee Lifetime

Electronics Forum | Tue Jul 16 07:59:14 EDT 2002 | hany_khoga

Hello there: 1- I know someone who diluted expired solder paste, which obviously lost its tackiness using Isopropanol. The paste was expired by more than 6monthes but after dilution I saw by myself the paste has retrieved its tackiness. The amazing

Corroded ASIC's

Electronics Forum | Tue Jul 16 21:28:41 EDT 2002 | davef

Questions are: * What is this green material? * What does the green material look like? * What the impact of this material on the long-term reliability of your customer�s product? * What flux did you use to solder these boards? * How were the boards

Tracking SMT Attrition (Load/Unload Loss)

Electronics Forum | Thu Jul 18 11:31:03 EDT 2002 | Mark S.

>But since we are a low volume high mix operation I need to account for almost every part used. I'm in the same boat, and we do more changing of feeders than actual placements it seems. What I have done which has improved things a lot is in our MRP

Height paste measurement

Electronics Forum | Wed Jul 24 04:23:42 EDT 2002 | harisfaisal

Juan, I believe in term of height vs volume, volume is much better control. By the way we used Cyber Sentry 2000 which allows us to measure volume, height and area. My plant normal practice is measuring the height. Last time I did the control limit

BGA Contact

Electronics Forum | Thu Jul 25 03:01:25 EDT 2002 | martz

We experience e-test failure due to BGA problem. The product was subjected to 40 deg.C hot air blowing on the BGA area and it works pretty well. The product then failed when the temperature became 36 deg. C as the hot air blower is withdrawn. If it

SMT Equipment

Electronics Forum | Mon Jul 29 08:28:05 EDT 2002 | pjc

Start killing DEK now, on the ELA. All DEK 248 semi-auto printers have been built in China for quite some time (years). Its shipped to the UK from China. All DEK ELA models are now built in China, since 01 some time. Thats the fact Jack. All MPM mod

Nitrogen and dry cabinet

Electronics Forum | Tue Jul 30 08:38:55 EDT 2002 | dasal

Truthfully, there are pro's and con's for both technologies. (put cost of ownership aside for one moment) Nitrogen won't dry humidified components as rapidly as a desiccant dry box. I'm talking about a self regenerating dry box that uses molecular s

Preheating a board with metalic coating on both sides

Electronics Forum | Wed Jul 31 17:25:39 EDT 2002 | sueph

Dave, thanks for the reply. These boards have metal plating covering 99 percent of both primary and secondary surfaces. The only places without the metal plating are the extreme outer edges and about an 1/8 inch surrounding the plated holes. We do

No Clean Selective Solder

Electronics Forum | Fri Aug 02 11:48:23 EDT 2002 | johnw

I can't think of any off hand other than the Ersa which is massive and from when I used it a pain in the A*SE to program and keep programmed, you always seem to have to baby sit it. I bet if you asked you could get one, the problem is that forced con

Sony HandyCam 8mm tracking?

Electronics Forum | Sun Aug 04 23:14:56 EDT 2002 | Manning

Hey gang- I was hoping someone here could me help. I have a sony 8mm (not digital) handycam camcorder, and i am having problems with video playback. It seems the tracking is messed up (i think it should have autotracking), but i can't find where it


use searches for Companies, Equipment, Machines, Suppliers & Information